Bertrand Cesvet began his carreer as a strategy consultant with Mercer Management Consulting (now Oliver Wyman). At Sid Lee since 1997, he heads the firm's planning group and leads business development efforts. He is very involved in client work, most notably for adidas, Cirque du Soleil and MGM Mirage. In 2008, he published a book called Conversational Capital, How to Create Stuff People Love to Talk About (Financial Times Press). The book offers practical insight about the drivers of positive word-of-mouth. He now resides in Paris where he oversees the operations of Sid Lee's two European offices (Amsterdam and Paris).